27072330503 has 4 divisors (see below), whose sum is σ = 27116208480. Its totient is φ = 27028452528.

The previous prime is 27072330451. The next prime is 27072330587. The reversal of 27072330503 is 30503327072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27072330503 is a prime.

It is a super-2 number, since 2×27072330503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27072330503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27072333503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21938063 + ... + 21939296.

It is an arithmetic number, because the mean of its divisors is an integer number (6779052120).

Almost surely, 2^27072330503 is an apocalyptic number.

27072330503 is a deficient number, since it is larger than the sum of its proper divisors (43877977).

27072330503 is an equidigital number, since it uses as much as digits as its factorization.

27072330503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43877976.

The product of its (nonzero) digits is 26460, while the sum is 32.

Adding to 27072330503 its reverse (30503327072), we get a palindrome (57575657575).

The spelling of 27072330503 in words is "twenty-seven billion, seventy-two million, three hundred thirty thousand, five hundred three".